# Draft California 2012 Integrated Report( 303(d) List/305(b) Report)

# Supporting Information

## Regional Board 6 - Lahontan Region

Water Body Name: | Clark Canyon Creek
Water Body ID: | CAR6303004119980804082509
Water Body Type: | River & Stream

DECISION ID | 20276 | Region 6
Clark Canyon Creek

Pollutant: | Habitat alterations
Final Listing Decision: | Delist from 303(d) list (TMDL required list)
Last Listing Cycle's Final Listing Decision: | Delist from 303(d) list (TMDL required list)(2010)
Revision Status | Original
Reason for Delisting: | Flaws in original listing
Impairment from Pollutant or Pollution: | Pollution
Regional Board Staff Conclusion: | Regional Board Conclusion: This pollutant was considered for removal from the section 303(d) list in a previous assessment cycle. No new information was reviewed for this current assessment cycle. Therefore, the previous conclusion remains unchanged, and is as follows: Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of removing this water segment-pollutant combination from the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on staff findings that the original listing basis is faulty due to the fact that the listing was not for a pollutant.
Regional Board Staff Decision Recommendation: | No new data were assessed for this assessment cycle. The conclusion reached in the previous cycle remains in same. The Regional Board will update this decision when new data and information become available in a future assessment cycle.

Line of Evidence (LOE) for Decision ID 20276, Habitat alterations | Region 6
Clark Canyon Creek
LOE ID: | 2857
Pollutant: | Habitat alterations
LOE Subgroup: | Testimonial Evidence
Matrix: | Not Specified
Fraction: | None
Beneficial Use: | Cold Freshwater Habitat
Number of Samples: |
Number of Exceedances: |
Data and Information Type: | Not Specified
Data Used to Assess Water Quality: | The listing is not for a pollutant, and no pollutants have been identified related to this listing. Regional Board staff is not aware of evidence or data to indicate current water quality standards exceedances or beneficial use impacts related to this listing.
Data Reference: | Placeholder reference 2006 303(d)
SWAMP Data: | Non-SWAMP
Water Quality Objective/Criterion: |
Objective/Criterion Reference:
Evaluation Guideline: |
Guideline Reference:
Spatial Representation: |
Temporal Representation: |
Environmental Conditions: |
QAPP Information: | QA Info Missing
QAPP Information Reference(s):